1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <device/mmio.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ops.h>
#include <device/pci_def.h>
#include <device/pci_ids.h>
#include <soc/pci_devs.h>
#define SATA_ABAR_PORT_IMPLEMENTED 0x0c
#define SATA_PCI_CFG_PORT_CTL_STS 0x92
static void *sata_get_ahci_bar(struct device *dev)
{
uintptr_t bar;
bar = pci_read_config32(dev, PCI_BASE_ADDRESS_5);
return (void *)(bar & ~PCI_BASE_ADDRESS_MEM_ATTR_MASK);
}
/*
* SATA Port control and Status. By default, the SATA ports are set (by HW)
* to the disabled state (e.g. bits[3:0] == '0') as a result of an initial
* power on reset. When enabled by software as per SATA port mapping,
* the ports can transition between the on, partial and slumber states
* and can detect devices. When disabled, the port is in the off state and
* can't detect any devices.
*/
static void sata_final(struct device *dev)
{
void *ahcibar = sata_get_ahci_bar(dev);
u8 port_impl, temp;
/* Set Bus Master */
pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_MASTER);
/* Read Ports Implemented (GHC_PI) */
port_impl = read8(ahcibar + SATA_ABAR_PORT_IMPLEMENTED);
if (CONFIG(SOC_AHCI_PORT_IMPLEMENTED_INVERT))
port_impl = ~port_impl;
port_impl &= 0x07; /* bit 0-2 */
/* Port enable */
temp = pci_read_config8(dev, SATA_PCI_CFG_PORT_CTL_STS);
temp |= port_impl;
pci_write_config8(dev, SATA_PCI_CFG_PORT_CTL_STS, temp);
}
static struct device_operations sata_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.final = sata_final,
.ops_pci = &pci_dev_ops_pci,
};
static const unsigned short pci_device_ids[] = {
PCI_DEVICE_ID_INTEL_SPT_U_SATA,
PCI_DEVICE_ID_INTEL_SPT_U_Y_PREMIUM_SATA,
PCI_DEVICE_ID_INTEL_SPT_KBL_SATA,
PCI_DEVICE_ID_INTEL_LWB_SATA_AHCI,
PCI_DEVICE_ID_INTEL_LWB_SSATA_AHCI,
PCI_DEVICE_ID_INTEL_LWB_SATA_RAID,
PCI_DEVICE_ID_INTEL_LWB_SSATA_RAID,
PCI_DEVICE_ID_INTEL_LWB_SATA_AHCI_SUPER,
PCI_DEVICE_ID_INTEL_LWB_SSATA_AHCI_SUPER,
PCI_DEVICE_ID_INTEL_LWB_SATA_RAID_SUPER,
PCI_DEVICE_ID_INTEL_LWB_SSATA_RAID_SUPER,
PCI_DEVICE_ID_INTEL_LWB_SATA_ALT,
PCI_DEVICE_ID_INTEL_LWB_SATA_ALT_RST,
PCI_DEVICE_ID_INTEL_LWB_SSATA_ALT,
PCI_DEVICE_ID_INTEL_LWB_SSATA_ALT_RST,
PCI_DEVICE_ID_INTEL_CNL_SATA,
PCI_DEVICE_ID_INTEL_CNL_PREMIUM_SATA,
PCI_DEVICE_ID_INTEL_CNP_CMP_COMPAT_SATA,
PCI_DEVICE_ID_INTEL_CNP_H_SATA,
PCI_DEVICE_ID_INTEL_CNP_LP_SATA,
PCI_DEVICE_ID_INTEL_ICP_U_SATA,
PCI_DEVICE_ID_INTEL_CMP_SATA,
PCI_DEVICE_ID_INTEL_CMP_PREMIUM_SATA,
PCI_DEVICE_ID_INTEL_CMP_LP_SATA,
PCI_DEVICE_ID_INTEL_CMP_H_SATA,
PCI_DEVICE_ID_INTEL_CMP_H_HALO_SATA,
PCI_DEVICE_ID_INTEL_CMP_H_PREMIUM_SATA,
PCI_DEVICE_ID_INTEL_TGP_LP_SATA,
PCI_DEVICE_ID_INTEL_TGP_SATA,
PCI_DEVICE_ID_INTEL_TGP_PREMIUM_SATA,
PCI_DEVICE_ID_INTEL_TGP_COMPAT_SATA,
PCI_DEVICE_ID_INTEL_MCC_AHCI_SATA,
PCI_DEVICE_ID_INTEL_JSP_SATA_1,
PCI_DEVICE_ID_INTEL_JSP_SATA_2,
0
};
static const struct pci_driver pch_sata __pci_driver = {
.ops = &sata_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.devices = pci_device_ids,
};
|
